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CVE-2009-1894

Estado: ModificadaAlta (7.2)—

Race condition in PulseAudio 0.9.9, 0.9.10, and 0.9.14 allows local users to gain privileges via vectors involving creation of a hard link, related to the application setting LD_BIND_NOW to 1, and then calling execv on the target of the /proc/self/exe symlink.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Pulseaudio — Pulseaudio

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-1894",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-07-17T16:30:00.920",
  "references": [
    {
      "url": "http://blog.cr0.org/2009/07/old-school-local-root-vulnerability-in.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/35868",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/35886",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/35896",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200907-13.xml",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://taviso.decsystem.org/research.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.akitasecurity.nl/advisory.php?id=AK20090602",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.debian.org/security/2009/dsa-1838",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:152",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:171",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/505052/100/0/threaded",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/35721",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/usn-804-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://admin.fedoraproject.org/updates/pulseaudio-0.9.10-1.el5.2",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=510071",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51804",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://blog.cr0.org/2009/07/old-school-local-root-vulnerability-in.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/35868",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/35886",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/35896",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-200907-13.xml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://taviso.decsystem.org/research.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.akitasecurity.nl/advisory.php?id=AK20090602",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2009/dsa-1838",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:152",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:171",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/505052/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/35721",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/usn-804-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://admin.fedoraproject.org/updates/pulseaudio-0.9.10-1.el5.2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=510071",
      "tags": [
        "Exploit",
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51804",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Race condition in PulseAudio 0.9.9, 0.9.10, and 0.9.14 allows local users to gain privileges via vectors involving creation of a hard link, related to the application setting LD_BIND_NOW to 1, and then calling execv on the target of the /proc/self/exe symlink."
    },
    {
      "lang": "es",
      "value": "Condición de carrera en PulseAudio v0.9.9, v0.9.10, y v0.9.14 permite a usuarios locales conseguir privilegios a través de vectores que implican la creación de \"hard links\", relativo a fijar la configuración de LD_BIND_NOW a 1, y entonces, llamar a execv con el objetivo /proc/self/exe symlink."
    }
  ],
  "lastModified": "2026-06-16T23:08:18.323",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pulseaudio:pulseaudio:0.9.9:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3B3F828E-51A2-4B02-8E74-449AAF5D1534"
            },
            {
              "criteria": "cpe:2.3:a:pulseaudio:pulseaudio:0.9.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8C7A5FDE-F1D3-4872-8FEA-422187E170F6"
            },
            {
              "criteria": "cpe:2.3:a:pulseaudio:pulseaudio:0.9.14:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EFD34EC3-9E40-411C-9BF7-279B93EAE73D"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}